# sub vs Sul

> English confusable word pair

## The two words

### sub
*noun · IPA /sʌb/ · frequency rank #2,236*
Abbreviation of submarine.

### Sul
*name · frequency rank #33,868*
Diminutive of Sully.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-09-03.
Canonical page: https://plainspell.com/en/vs/sub-vs-sul